Royal Oak, MD 21662 ZIP Code Profile

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Royal Oak, MD

ZIP Code 21662: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Royal Oak, MD 21662

  • ZIP Code Type: STANDARD
  • County: Talbot County
  • Centroid: Latitude 38.713, Longitude -76.197
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 17
  • PO Box Addresses: 217
  • Residential Addresses: 250
    • Multi-Family Addresses: 0
    • Single Family Addresses: 250

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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21662 ZIP Code Map

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Royal Oak, MD 21662 Data & Demographics (As of July 1, 2017)


Total Population 623
Daytime Population: Workers 53
Daytime Population: Residents 300
Total Daytime Population (TDP) 353
Ratio TDP/Total Population1 0.57
Population in Households 623
Population in Familes 510
Population in Group Qrtrs 0
Population Density2 77
Diversity Index3 30


Median Household Income $82,502
Average Household Income $128,552
Per Capita Income $59,014


Total Housing Units 486 (100%)
Owner Occupied HU 233 (47.9%)
Renter Occupied HU 53 (10.9%)
Vacant Housing Units 200 (41.2%)
Median Home Value $732,955
Average Home Value $762,554


Total Households 286
Average Household Size 2.18
Family Households 201
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.21% 0.51%
Households 1.22% 0.42%
Families 1.08% 0.3%
Median Household Income   1.48%
Per Capita Income   2.34%

Royal Oak, MD 21662 - Peer Comparisons by Rank and Percentile

The table below compares 21662 to the other 456 ZIP Codes in Maryland by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 379 17th
Population Density # 379 17th
Diversity Index # 303 34th
Median Household Income # 193 58th
Per Capita Income # 40 91st

Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.

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